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Finding the Fourth Proportional to 22,030.78, 33,034.83 and 8,879.62

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Solution

The fourth proportional to 22,030.78, 33,034.83 and 8,879.62 is: 13,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.78 : 33,034.83 = 8,879.62 : x
  2. Step 2: Convert to fraction form
    22,030.78/33,034.83 = 8,879.62/x
  3. Step 3: Cross multiply
    22,030.78x = 33,034.83 × 8,879.62
  4. Step 4: Simplify right side
    22,030.78x = 293,336,737.16
  5. Step 5: Solve for x
    x = 293,336,737.16/22,030.78
  6. Step 6: Final answer
    x = 13,314.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.